Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:208AE GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 2√2, 3√2, 6, 16√2, 18√2, 26, 20√2, 32, 23√2, 36, 40, 46, 36√2, 68, 86, 104, 86√2, 122, 104√2.

Code: 1225 0 86 1044 104 104 1043 208 104 184 122 86 166 124 88 325 140 72 681 208 104 20 124 88 867 0 86 860 86 86 401 126 86 202 146 66 61 146 72 32 149 69 261 172 72 362 208 36 230 149 69 461 172 46 363 208 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

122
104√2
104
18√2
16√2
32
68
2√2
86
86√2
40
20√2
6
3√2
26
36√2
23√2
46
36